Yes - VW only. Personally, and I've expressed this previously, I don't see any difference between VV & VW. I know that's viewed as sacreligous, from both fans' perspectives, but I don't. I change VW as often as I change VV, and I haven't been able to identify any fine-tuning advantages from one nor the other.
MY opinions:
1. The concept of "set & forget" was nothing more than a marketing ploy, and
2. VW fine tunes perfectly well. At least with with .1 increments on a DNA20.
I can't say enough that "Variable" is the key word in either equation. The trailing word is but but semantics.
Let the arguments begin. I've got to leave for work. Have fun, one & all.